Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/debug/crc32.c

+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       crc32.c
+/// \brief      Primitive CRC32 calculation tool
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "sysdefs.h"
+#include "lzma.h"
+#include <stdio.h>
+
+
+int
+main(void)
+{
+        uint32_t crc = 0;
+
+        do {
+                uint8_t buf[BUFSIZ];
+                const size_t size = fread(buf, 1, sizeof(buf), stdin);
+                crc = lzma_crc32(buf, size, crc);
+        } while (!ferror(stdin) && !feof(stdin));
+
+        //printf("%08" PRIX32 "\n", crc);
+
+        // I want it little endian so it's easy to work with hex editor.
+        printf("%02" PRIX32 " ", crc & 0xFF);
+        printf("%02" PRIX32 " ", (crc >> 8) & 0xFF);
+        printf("%02" PRIX32 " ", (crc >> 16) & 0xFF);
+        printf("%02" PRIX32 " ", crc >> 24);
+        printf("\n");
+
+        return 0;
+}